Which two processes are commonly described as ways in which light can be produced?

Given that the energy of a single photon is 1.48 × 10^{-15} J, what is the frequency of the light? (Planck's constant h = 6.626 × 10^{-34} J·s)

Which of the following options correctly describes the effect of infrared (IR) radiation on a molecule?

Why does ultraviolet light cause calcite to glow, while light from a desk lamp does not?

Given that the energy of a mole of photons is 2.83 × 10^7 J, what is the wavelength in nanometers of the light? (Use h = 6.626 × 10^{-34} J·s, c = 3.00 × 10^8 m/s, and Avogadro's number = 6.022 × 10^{23} mol^{-1})

Given that the energy of a mole of photons is 1.91 \(\times\) 10^6 \(\text{ J}\), what is the wavelength in nanometers of the light? (Planck's constant h = 6.626 \(\times\) 10^{-34} \(\text{ J}\) \(\cdot\) \(\text{s}\), speed of light c = 3.00 \(\times\) 10^8 \(\text{ m/s}\), Avogadro's number N_A = 6.022 \(\times\) 10^{23} \(\text{ mol}\)^{-1})

Which of the following best describes the relationship between the frequency (ν) and wavelength (λ) of light?

Given that the energy of a single photon is 2.23 × 10^{-21} J, what is the frequency of the light? (Planck's constant h = 6.626 × 10^{-34} J·s)

What is the frequency (s^{-1}) of light that has a wavelength of 1.23 \(\times\) 10^{-6} cm? (Speed of light, c = 3.00 \(\times\) 10^{10} cm/s)